Mclaren Front keel setup

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Mclaren11
Mclaren11
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Joined: 13 May 2003, 22:54
Location: Columbus, Indiana, USA

Mclaren Front keel setup

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I have heard that mclaren are using some sort of trick system to mount the upper and lower wishbones at the same point or someting like that, but that really dosn't make sense to me.

Does anyone have more info on this, or if i have it wrong can anyone explain what system they are using

RacingManiac
RacingManiac
9
Joined: 22 Nov 2004, 02:29

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Some interesting pic and discussion at the Speed Channel's F1 forum on this subject....
http://insider.speedtv.com/viewtopic.php?t=72969

dumrick
dumrick
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Joined: 19 Jan 2004, 13:36
Location: Portugal

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This has already been discussed here (viewtopic.php?t=1121&start=0).

It was Bernard the first to really look at it. And the fact is that its lower wishbone is mounted high enough to connect directly to the tub, it's no big deal. Since the outboard mounting of suspensions w/ inboard springs, all pre-1992 F1's were like that...

Guest
Guest
0

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however it works, its causing mclaren big problems. Their cars understeer a lot and pedro has already last week tested a new frontsuspension layout

DaveKillens
DaveKillens
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Joined: 20 Jan 2005, 04:02

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Last edited by DaveKillens on 02 Sep 2009, 05:57, edited 1 time in total.

RacingManiac
RacingManiac
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Joined: 22 Nov 2004, 02:29

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dumrick wrote:This has already been discussed here (viewtopic.php?t=1121&start=0).

It was Bernard the first to really look at it. And the fact is that its lower wishbone is mounted high enough to connect directly to the tub, it's no big deal. Since the outboard mounting of suspensions w/ inboard springs, all pre-1992 F1's were like that...
But with modern high nose car, I'd imagine some funky suspension kinematic would be introduced by it....apparently McLaren moved the outboard point on the upright as close to the wheel hub as they could to accomodate the design....

once again aero taking the precedence before the suspension geometry....

DaveKillens
DaveKillens
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Joined: 20 Jan 2005, 04:02

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Last edited by DaveKillens on 02 Sep 2009, 05:57, edited 1 time in total.

dumrick
dumrick
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Joined: 19 Jan 2004, 13:36
Location: Portugal

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From what I recall, that suspension, developed together with Michelin, was considered illegal by the FIA and development has stopped as consequence...

KJM3
KJM3
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Joined: 14 Jun 2004, 22:19

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It was called OCP (Optimum Contact Patch) technology and yes it was banned. By maybe what McLaren is doing is legal because it doesn't have the "illegal" components of Michelin's technology?

- KJ

Reca
Reca
93
Joined: 21 Dec 2003, 18:22
Location: Monza, Italy

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To end once for all that “pissing contest” (Dave, be assured I’m more sick about these “contests” with Bernard than you could ever be) :
http://f1.racing-live.com/en/photos/200 ... _192.shtml

Contrarily to what I said previously, the wishbone is connected directly to the lower edge of the tub, there’s just, apparently, a sort of metallic reinforcement in the lower edge. The same attachment point is used also for the turning vane and this, coupled with the black colour, create the impression (when the nosecone is mounted) that there’s still a small keel. From the pic you can also see very well that, as expected, the attachment point on the upright is very high (lot more than I thought at first), it’s just a few cm under the wheel centreline. I still see the disadvantages on the suspension geometry and I’m also under the impression that the aerodynamic advantage isn’t as big as many thinks, still the point is the same I already expressed : they have data I don’t, they surely know what they are doing.